Mathematics – Logic
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006agufmsm52a..02b&link_type=abstract
American Geophysical Union, Fall Meeting 2006, abstract #SM52A-02
Mathematics
Logic
0933 Remote Sensing, 2411 Electric Fields (2712), 2461 Plasma Interactions With Dust And Aerosols (7849), 2780 Solar Wind Interactions With Unmagnetized Bodies, 7514 Energetic Particles (2114)
Scientific paper
As NASA returns to the Moon, we will need to gain a deeper understanding of the lunar environment and its dependence on heliospheric and magnetospheric conditions. The Lunar Explorer for Elements and Hazards (LEEAH) is a mission that can be rapidly developed to address several high priority measurements relevant to both science and exploration objectives on the Moon. The plasma and particle instrument suite will remotely measure the lunar surface potential and correlate these results with local plasma conditions and solar illumination. LEEAH will also detect lofted dust particles, and thus establish the importance of solar and plasma conditions in the transport and motion of dust in the lunar environment. LEEAH will study the interaction of the solar wind with the lunar surface using a sensitive ion mass spectrometer, and trace the source of sputtered elements in order to derive elemental composition maps with ~20 km spatial resolution. Several instruments will characterize radiation, measuring energetic particles arising from solar storms and the direct biological impact of these events. All of these objectives accomplish intrinsic lunar science goals while simultaneously addressing safety and engineering issues faced by future human missions. LEEAH is low-cost and low-risk, using high heritage instruments, a recently qualified bus design and a team already in place from NASA's THEMIS/MIDEX mission to be launched later this year. As a finalist in the secondary payload opportunity for the Lunar Reconnaissance Orbiter (LRO), LEEAH can be implemented rapidly in the near future, leveraging previous phase-A support to reach launch readiness in ~2.5 years.
Angelopoulos Vassilis
Bale Stuart D.
Bonnell Jerry
Collier Michael R.
Delory Gregory T.
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